BÜCHI V-700 Vacuum Pump with Vacuum Controller V-850 – Laboratory Vacuum System

The BÜCHI V-700 Vacuum Pump with V-850 Vacuum Controller is a laboratory vacuum system designed to provide controlled vacuum conditions for a variety of laboratory, chemical processing, pharmaceutical research, and analytical applications. Manufactured by BÜCHI, this equipment is intended for laboratory workflows that require reliable vacuum generation and adjustable pressure control.

Vacuum systems are widely used in research and development laboratories, pharmaceutical testing facilities, chemical laboratories, educational institutions, and industrial research environments. They help create reduced-pressure conditions for processes such as solvent evaporation, vacuum filtration, drying, degassing, and sample preparation. The BÜCHI V-700 vacuum pump is designed to support these processes, while the V-850 controller provides a user interface for monitoring and adjusting operating conditions.

The unit shown in the image features a compact benchtop design with a digital display, control buttons, a rotary adjustment knob, and a front power switch. The controller display shows a pressure reading of 850 mbar in the pictured state. This is a displayed operating value and should not be interpreted as the pump's maximum vacuum capability or complete technical specification.

The integrated controller arrangement helps users interact with the vacuum system without relying solely on manual adjustments at the pump. The digital interface is useful for monitoring the selected pressure and managing vacuum settings during laboratory procedures. Actual control functions and compatibility depend on the installed controller configuration.

2.1 Design and Operating Principle

A laboratory vacuum pump works by removing gas from a connected vessel or system, thereby reducing the pressure inside it. The resulting pressure difference supports processes that require reduced-pressure conditions. When used with suitable laboratory equipment, a vacuum pump can improve process control and help facilitate evaporation, filtration, and other sample preparation techniques.

The BÜCHI V-700 is designed for laboratory vacuum applications, and the accompanying V-850 controller allows the user to interact with the vacuum system through a digital control panel. The precise operating range, ultimate vacuum, flow rate, and control modes should be verified against the manufacturer's documentation for the specific unit.

The compact housing makes the equipment suitable for placement on an appropriate laboratory bench. Its front-facing interface supports convenient access during routine operation, while the visible power switch allows the operator to switch the unit on or off according to the prescribed operating procedure.

2.2 Applications of the Product

The BÜCHI V-700 vacuum pump system may be used in laboratory workflows such as:

• Rotary evaporation: Supporting solvent evaporation when paired with a compatible rotary evaporator and suitable vacuum accessories.

• Chemical research: Creating reduced-pressure conditions for selected chemical procedures.

• Pharmaceutical laboratories: Supporting research, formulation development, and sample preparation workflows.

• Vacuum filtration: Providing vacuum for compatible filtration assemblies.

• Laboratory drying: Assisting processes that require reduced pressure, subject to material and equipment compatibility.

• Degassing: Supporting removal of dissolved or entrained gases from suitable liquids and materials.

• Analytical sample preparation: Providing vacuum for appropriate laboratory preparation techniques.

• Research and development: Supporting controlled-pressure experiments and laboratory process development.

The suitability of the pump for a specific application depends on the required pressure, solvent vapours, chemical compatibility, flow demand, and connected equipment.

2.3 Features of the Product

• Laboratory vacuum generation: Designed to provide reduced-pressure conditions for laboratory applications.

• Digital pressure display: The pictured controller features a digital display for viewing pressure information.

• V-850 vacuum controller: Provides a dedicated interface for operating and monitoring the vacuum system.

• Manual adjustment interface: Includes a rotary control knob and front-panel buttons.

• Compact benchtop construction: Designed for placement in suitable laboratory workspaces.

• Accessible controls: The front-facing control panel supports convenient operation.

• Laboratory process integration: Can be incorporated into compatible vacuum-based laboratory workflows.

• Established laboratory equipment manufacturer: Produced under the BÜCHI brand.

• Versatile research applications: Suitable for evaluating use in chemical, pharmaceutical, and analytical laboratories.

• Equipment-specific configuration: Operating functions and performance depend on the exact model, accessories, and system setup.

2.4 Technical Specifications

Technical note: The model identification is based on the visible labels in the supplied image. Specifications not clearly established by the image are intentionally left for verification rather than estimated.

2.5 Product Condition

Condition: To be confirmed before publication

Select the appropriate condition for the actual item:

• Refurbished: Use if the equipment has undergone inspection, servicing, and refurbishment as applicable.

• Used: Use if the equipment has previously been operated and is being sold in its existing used condition.

• Brand new: Use only if the equipment is genuinely new and its status can be verified.

For a refurbished unit, include the verified testing status, service details, included accessories, and warranty information where applicable.